diff --git a/661.sh b/661.sh
index b299be6..976d681 100644
--- a/661.sh
+++ b/661.sh
@@ -1583,6 +1583,7 @@ wg-quick down wgcf >/dev/null 2>&1
 systemctl disable wg-quick@wgcf >/dev/null 2>&1
 $yumapt remove wireguard-tools
 $yumapt autoremove
+dig9
 sed -i '/^precedence ::ffff:0:0\/96  100/d;/^label 2002::\/16   2/d' /etc/gai.conf
 rm -rf /usr/local/bin/wgcf /usr/bin/wg-quick /etc/wireguard/wgcf.conf /etc/wireguard/wgcf-profile.conf /etc/wireguard/buckup-account.toml /etc/wireguard/wgcf-account.toml /etc/wireguard/wgcf+p.log /etc/wireguard/ID /usr/bin/wireguard-go /usr/bin/wgcf wgcf-account.toml wgcf-profile.conf
 }